import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'

Vue.use(VueRouter)

const routes = [
  {
    path: '/',
    name: 'Login',
    component: Login,
  },
  {
    path: '/login',
    component: Login,
  },
  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [
      {
        path: '/welcome',
        component: Welcome,
      },
      {
        path: '/users',
        component: Users,
      },
      {
        path: '/rights',
        component: Rights,
      },
      {
        path: '/roles',
        component:  Roles,
      },
      {
        path: '/categories',
        component:  Cate,
      },
    ],
  },
]

const router = new VueRouter({
  mode: 'history',
  routes,
})

//挂载路由守卫
router.beforeEach((to, from, next) => {
  //to and from are Route Object,next() must be called to resolve the hook}
  if (to.path === '/login') return next()
  //获取token，并验证
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})
export default router
